Download 8.6 - Chemical Reactions Part 1 Vocabulary

8.6 - Chemical Reactions Part 1 Vocabulary- Regular
Word
Definition
Periodic Table
Arrangement of the elements that are in
order by their atomic number and chemical
properties
Metals
Nonmetals
Metalloids
Atomic Number
Majority of elements on the periodic table
are classified as metals.
Characteristics:
Shiny and solid
Conduct heat and electricity
Elements on the far right side of the
periodic table
Characteristics:
Liquid and gasses
Dull and brittle
Elements on either side of the stair step or
black line on the periodic table
Characteristics:
Semi-metals - can take on properties of
metals or nonmetals
Dull or shiny
The number of protons or electrons
normally found in an atom of a given
chemical element.
Picture
Atomic Mass
Atomic mass indicates the size of an atom.
The sum of the mass of all the protons and
neutrons in the atom.
Protons
Positive charge subatomic particle in the
nucleus of the atom
Neutrons
Neutral charge subatomic particle in the
nucleus of the atom
Electrons
Negative charged subatomic particle
outside of the nucleus of the atom
Valence Electron
Electron(s) in the outermost energy level
of the atom
A diagram that represents atoms or
Lewis Dot Diagram molecules by showing electrons as dots
that are surrounding the element symbol.
Ionic Bonds
A chemical bond that involves the transfer
of valence electrons between atoms
Covalent Bonds
A chemical bond that involves the sharing
of electron pairs between atoms
Molecule
Compound
A group of atoms bonded together
representing a chemical reaction
2 or more elements chemically bonded
together to create a new pure substance
Simple Molecule
When two or more atoms are joined
together chemically
Complex Molecule
Large amount of atoms joined together
chemically